#include <stdio.h>
#include <float.h>

int main () {

  printf("Float size: %lu\n", sizeof(float));
  printf("float min: %E\n", FLT_MIN);
  printf("float max: %E\n", FLT_MAX);
  printf("float dig: %d\n", FLT_DIG);


  printf("sizeof null, %d, %d\n", sizeof(NULL), NULL);

  int hex = 021;
  printf("hex: %d", hex);

  return 0;
}